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    <p>1.mkdir /Lab0308      cd  /0318Lab </p>
    <p>2.cp  /etc/ntp.conf   ./myntp.conf</p>
    <p>3.cp  myntp.conf  yourntp.pdf</p>
    <p>4.tar -czf  ntp.tar.gz   myntp.conf   yourntp.pdf</p>
    <p>5.rm  myntp.conf  yourntp.pdf</p>
    <p>6.tar  -zxvf  ntp.tar.gz</p>
    <p>7.mkdir  -p  a/b/c/d/e</p>
    <p>8.mv ntp.tar.gz d</p>
    <p>9.useradd  jiangziya</p>
    <p>10.chown  jiangziya:jiangziya  yourntp.pdf</p>
    <p>11.chmod  u+r+w+x  myntp.conf-----
          chmod  g+r+x  myntp.conf-----
          chmod  o+r  myntp.conf-----
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    <p>12.touch  readMe.txt ----->---i----->---wq</p>
    <p>13.rm -rf /Lab0308</p>
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